Use APKPure App
Get Focus Chart old version APK for Android
Cette application affiche un tableau de mise au point avec une étoile de Siemens.
This app displays two different focus charts with a siemens star. It prevents the phone from going to stand-by while you're adjusting the back focus of your camera or testing your lenses. Swipe left and right two switch between the two charts.
It's a simple but effective tool for cinematographers, photographers and camera assistants.